/* gateway.css — clean self-contained styles. No framework. */
:root {
  --bg:           #0a0a0c;
  --panel:        #14141a;
  --panel-border: #23232c;
  --text:         #e9e9ee;
  --text-dim:     #8a8a96;
  --primary:      #5b9cff;
  --primary-h:    #4080e0;
  --good:         #4ade80;
  --warn:         #fbbf24;
  --bad:          #f87171;
  --radius:       8px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px; line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── layout ─────────────────────────────────────────────────────────── */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--panel);
  border-right: 1px solid var(--panel-border);
  padding: 24px 16px;
  display: flex; flex-direction: column;
}
.sidebar-brand {
  font-size: 16px; font-weight: 600;
  margin-bottom: 32px; color: var(--text);
}
.nav { flex: 1; }
.nav a {
  display: block; padding: 8px 12px; margin-bottom: 4px;
  color: var(--text-dim); border-radius: var(--radius);
  text-decoration: none;
}
.nav a:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.nav a.active { background: rgba(91,156,255,0.12); color: var(--primary); }
.sidebar-footer { color: var(--text-dim); font-size: 12px; padding-top: 16px; border-top: 1px solid var(--panel-border); }
.sidebar-footer a { color: var(--text-dim); }

.main { flex: 1; padding: 32px 40px; max-width: 1100px; }
.header { margin-bottom: 24px; }
.header h1 { margin: 0; font-size: 22px; font-weight: 600; }
.header .sub { color: var(--text-dim); margin-top: 4px; }

/* ─── panels ─────────────────────────────────────────────────────────── */
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.panel h2 { margin: 0 0 16px; font-size: 15px; font-weight: 600; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 700px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding: 16px; }
}

/* ─── stats ──────────────────────────────────────────────────────────── */
.stat { padding: 16px; }
.stat .label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat .value { font-size: 26px; font-weight: 600; margin-top: 4px; }
.stat .meta  { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

/* ─── forms ──────────────────────────────────────────────────────────── */
.form-row { margin-bottom: 14px; }
.form-row label {
  display: block; font-size: 13px; color: var(--text-dim);
  margin-bottom: 4px;
}
input, select, textarea {
  width: 100%;
  background: #0e0e13;
  border: 1px solid var(--panel-border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-family: inherit; font-size: 14px;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary);
}
input[readonly] { color: var(--text-dim); }
button, .btn {
  background: var(--primary); color: #fff; border: 0;
  padding: 10px 18px; border-radius: var(--radius);
  font-size: 14px; font-weight: 500; cursor: pointer;
  font-family: inherit;
}
button:hover, .btn:hover { background: var(--primary-h); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary {
  background: transparent; border: 1px solid var(--panel-border);
  color: var(--text);
}
.btn-secondary:hover { background: rgba(255,255,255,0.04); }
.btn-danger { background: #c0392b; }
.btn-danger:hover { background: #a52f23; }

/* ─── status messages ────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: var(--radius);
  margin-bottom: 14px; font-size: 14px;
}
.alert-info    { background: rgba(91,156,255,0.10); color: var(--primary); }
.alert-good    { background: rgba(74,222,128,0.10); color: var(--good); }
.alert-warn    { background: rgba(251,191,36,0.10); color: var(--warn); }
.alert-bad     { background: rgba(248,113,113,0.10); color: var(--bad); }

/* ─── tables ─────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left; padding: 10px 12px;
  border-bottom: 1px solid var(--panel-border);
}
th { color: var(--text-dim); font-weight: 500; font-size: 12px;
     text-transform: uppercase; letter-spacing: 0.5px; }
td.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
td.right, th.right { text-align: right; }
.muted { color: var(--text-dim); }

/* ─── badge / pill ───────────────────────────────────────────────────── */
.pill {
  display: inline-block; padding: 2px 8px; border-radius: 99px;
  font-size: 11px; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.4px;
}
.pill-good   { background: rgba(74,222,128,0.12);  color: var(--good); }
.pill-warn   { background: rgba(251,191,36,0.12);  color: var(--warn); }
.pill-bad    { background: rgba(248,113,113,0.12); color: var(--bad); }
.pill-info   { background: rgba(91,156,255,0.12);  color: var(--primary); }

/* ─── auth pages (centered card layout) ──────────────────────────────── */
.auth-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 32px;
}
.auth-card h1 { margin: 0 0 24px; font-size: 20px; font-weight: 600; text-align: center; }
.auth-card .sub { text-align: center; color: var(--text-dim); margin-bottom: 24px; }
.auth-card button { width: 100%; margin-top: 4px; }
.auth-card .footer { margin-top: 20px; text-align: center; color: var(--text-dim); font-size: 13px; }

/* ─── code blocks (for keys, addresses) ──────────────────────────────── */
.codebox {
  background: #0e0e13;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; word-break: break-all;
  color: var(--text);
}